Analog and Digital filters
Explain the difference between analog and digital filters.
Expert
Analog :
a) It is constructed by using the active or passive components and it is explained by the differential equation. b) Frequency response may be altered by changing the components. c) It processes and generates the analog output. d) Output varies because of external conditions.
Digital :
a) It consists of the elements such as adder, subtractor and delay units and it is explained by the difference equation. b) Frequency response may be altered by changing the filter coefficients. c) Processes and produces the digital output. d) Not affected by the external conditions.
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